ocaml/ocamltest/main.ml

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10 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Sebastien Hinderer, projet Gallium, INRIA Paris *)
(* *)
(* Copyright 2016 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Main program of the ocamltest test driver *)
open Ocamltest_stdlib
open Tsl_semantics
type behavior =
| Skip_all_tests
| Run of Environments.t
(*
let first_token filename =
let input_channel = open_in filename in
let lexbuf = Lexing.from_channel input_channel in
Location.init lexbuf filename;
let token =
try Tsl_lexer.token lexbuf with e -> close_in input_channel; raise e
in close_in input_channel; token
let is_test filename =
match first_token filename with
| exception _ -> false
| Tsl_parser.TSL_BEGIN_C_STYLE | TSL_BEGIN_OCAML_STYLE -> true
| _ -> false
*)
(* this primitive announce should be used for tests
that were aborted on system error before ocamltest
could parse them *)
let announce_test_error test_filename error =
Printf.printf " ... testing '%s' => unexpected error (%s)\n%!"
(Filename.basename test_filename) error
let tsl_block_of_file test_filename =
let input_channel = open_in test_filename in
let lexbuf = Lexing.from_channel input_channel in
Location.init lexbuf test_filename;
match Tsl_parser.tsl_block Tsl_lexer.token lexbuf with
| exception e -> close_in input_channel; raise e
| _ as tsl_block -> close_in input_channel; tsl_block
let tsl_block_of_file_safe test_filename =
try tsl_block_of_file test_filename with
| Sys_error message ->
Printf.eprintf "%s\n%!" message;
announce_test_error test_filename message;
exit 1
| Parsing.Parse_error ->
Printf.eprintf "Could not read test block in %s\n%!" test_filename;
announce_test_error test_filename "could not read test block";
exit 1
let print_usage () =
Printf.printf "%s\n%!" Options.usage
type result_summary = No_failure | Some_failure
let join_summaries sa sb =
match sa, sb with
| Some_failure, _ | _, Some_failure -> Some_failure
| No_failure, No_failure -> No_failure
let summary_of_result res =
let open Result in
match res.status with
| Pass -> No_failure
| Skip -> No_failure
| Fail -> Some_failure
let rec run_test log common_prefix path behavior = function
Node (testenvspec, test, env_modifiers, subtrees) ->
Printf.printf "%s %s (%s) => %!" common_prefix path test.Tests.test_name;
let (msg, children_behavior, summary) = match behavior with
| Skip_all_tests -> "n/a", Skip_all_tests, No_failure
| Run env ->
let testenv0 = interprete_environment_statements env testenvspec in
let testenv = List.fold_left apply_modifiers testenv0 env_modifiers in
let (result, newenv) = Tests.run log testenv test in
let msg = Result.string_of_result result in
let children_behavior =
if Result.is_pass result then Run newenv else Skip_all_tests in
let summary = summary_of_result result in
(msg, children_behavior, summary) in
Printf.printf "%s\n%!" msg;
join_summaries summary
(run_test_trees log common_prefix path children_behavior subtrees)
and run_test_trees log common_prefix path behavior trees =
List.fold_left join_summaries No_failure
(List.mapi (run_test_i log common_prefix path behavior) trees)
and run_test_i log common_prefix path behavior i test_tree =
let path_prefix = if path="" then "" else path ^ "." in
let new_path = Printf.sprintf "%s%d" path_prefix (i+1) in
run_test log common_prefix new_path behavior test_tree
let get_test_source_directory test_dirname =
if (Filename.is_relative test_dirname) then
Sys.with_chdir test_dirname Sys.getcwd
else test_dirname
let get_test_build_directory_prefix test_dirname =
let ocamltestdir_variable = "OCAMLTESTDIR" in
let root =
Sys.getenv_with_default_value ocamltestdir_variable
(Filename.concat (Sys.getcwd ()) "_ocamltest")
in
if test_dirname = "." then root
else Filename.concat root test_dirname
let tests_to_skip = ref []
let init_tests_to_skip () =
tests_to_skip := String.words (Sys.safe_getenv "OCAMLTEST_SKIP_TESTS")
let test_file test_filename =
let skip_test = List.mem test_filename !tests_to_skip in
let tsl_block = tsl_block_of_file_safe test_filename in
let (rootenv_statements, test_trees) = test_trees_of_tsl_block tsl_block in
let test_trees = match test_trees with
| [] ->
let default_tests = Tests.default_tests() in
let make_tree test = Node ([], test, [], []) in
List.map make_tree default_tests
| _ -> test_trees in
let used_tests = tests_in_trees test_trees in
let used_actions = actions_in_tests used_tests in
let action_names =
let f act names = String.Set.add (Actions.name act) names in
Actions.ActionSet.fold f used_actions String.Set.empty in
let test_dirname = Filename.dirname test_filename in
let test_basename = Filename.basename test_filename in
let test_prefix = Filename.chop_extension test_basename in
let test_directory =
if test_dirname="." then test_prefix
else Filename.concat test_dirname test_prefix in
let test_source_directory = get_test_source_directory test_dirname in
let hookname_prefix = Filename.concat test_source_directory test_prefix in
let test_build_directory_prefix =
get_test_build_directory_prefix test_directory in
let clean_test_build_directory () =
try
Sys.rm_rf test_build_directory_prefix
with Sys_error _ -> ()
in
clean_test_build_directory ();
Sys.make_directory test_build_directory_prefix;
let log_filename =
Filename.concat test_build_directory_prefix (test_prefix ^ ".log") in
let log =
if Options.log_to_stderr then stderr else begin
open_out log_filename
end in
let summary = Sys.with_chdir test_build_directory_prefix
(fun () ->
let promote = string_of_bool Options.promote in
let install_hook name =
let hook_name = Filename.make_filename hookname_prefix name in
if Sys.file_exists hook_name then begin
let hook = Actions_helpers.run_hook hook_name in
Actions.set_hook name hook
end in
String.Set.iter install_hook action_names;
let reference_filename = Filename.concat
test_source_directory (test_prefix ^ ".reference") in
let make = try Sys.getenv "MAKE" with Not_found -> "make" in
let initial_environment = Environments.from_bindings
[
Builtin_variables.make, make;
Builtin_variables.test_file, test_basename;
Builtin_variables.reference, reference_filename;
Builtin_variables.test_source_directory, test_source_directory;
Builtin_variables.test_build_directory_prefix,
test_build_directory_prefix;
Builtin_variables.promote, promote;
] in
let rootenv =
Environments.initialize Environments.Pre log initial_environment in
let rootenv =
interprete_environment_statements
rootenv rootenv_statements in
let rootenv = Environments.initialize Environments.Post log rootenv in
let common_prefix = " ... testing '" ^ test_basename ^ "' with" in
let initial_status =
if skip_test then Skip_all_tests else Run rootenv
in
let summary =
run_test_trees log common_prefix "" initial_status test_trees in
Actions.clear_all_hooks();
summary
) in
if not Options.log_to_stderr then close_out log;
begin match summary with
| Some_failure ->
if not Options.log_to_stderr then
Sys.dump_file stderr ~prefix:"> " log_filename
| No_failure ->
if not Options.keep_test_dir_on_success then
clean_test_build_directory ()
end
let is_test s =
match tsl_block_of_file s with
| _ -> true
| exception _ -> false
let ignored s =
s = "" || s.[0] = '_' || s.[0] = '.'
let sort_strings = List.sort String.compare
let find_test_dirs dir =
let res = ref [] in
let rec loop dir =
let contains_tests = ref false in
Array.iter (fun s ->
if ignored s then ()
else begin
let s = dir ^ "/" ^ s in
if Sys.is_directory s then loop s
else if not !contains_tests && is_test s then contains_tests := true
end
) (Sys.readdir dir);
if !contains_tests then res := dir :: !res
in
loop dir;
sort_strings !res
let list_tests dir =
let res = ref [] in
if Sys.is_directory dir then begin
Array.iter (fun s ->
if ignored s then ()
else begin
let s' = dir ^ "/" ^ s in
if Sys.is_directory s' || not (is_test s') then ()
else res := s :: !res
end
) (Sys.readdir dir)
end;
sort_strings !res
let () =
init_tests_to_skip()
let () =
let failed = ref false in
let work_done = ref false in
let list_tests dir =
match list_tests dir with
| [] -> failed := true
| res -> List.iter print_endline res
in
let find_test_dirs dir = List.iter print_endline (find_test_dirs dir) in
let doit f x = work_done := true; f x in
List.iter (doit find_test_dirs) Options.find_test_dirs;
List.iter (doit list_tests) Options.list_tests;
List.iter (doit test_file) Options.files_to_test;
if not !work_done then print_usage();
if !failed || not !work_done then exit 1